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Diesel Mechanic Practice Test: Basic Electricity
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Diesel Mechanic Practice Test: Basic Electricity
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25 Questions

1. Electric heater is the ____ effect of electricity?
2. What is the S.I unit of specific resistance?
3. What is the purpose of colour code in cables?
4. Which device used to step up the voltage in the spark ignitionsystem?
5. Which is the application of series circuit?
6. What is the capacitance value of a capacitor that requires 0.5 coulomb to charge to 35 volt?
7. Which instrument is used to measure the electricalresistance?
8. Calculate the total power of the circuit of two lamps rated as 200W/240V are connected in series across 240V supply?
9. What is the effect of the electrolytic capacitor, if open circuit fault occurs?
10. Which law state that “The current isdirectly proportional to the voltage and inversely proportional to the resistance”?
11. Which is the semiconductor material?
12. At constant temp. resistance and cross section area are
13. What is the value of resistance in an open circuit?
14. Which law states that in closed electric circuit, the applied voltage is equal to the sum of the voltage drops?
15. What is the unit of conductance?
16. What is the name of electrical symbol?
17. Which measuring instrument used to measure the Ampere, volt andresistance?
18. Which device have the ability tostore electricalcharge?
19. Which instrument is prohibited to connect with livewire?
20. What is the use of Ohmmeter in an electrical circuit?
21. Which is the semi conductor materials?
22. What is the net resistance ‘R’ if ‘R1’ and ‘R2’ resistance are connected inseries?
23. What electrical quantities are related in Ohm’s law?
24. What is the name of the electrical measuring instrument?
25. Calculate the electrical energy in unit consumed by 500W lamp for 5 hours.

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